The Speed of light is maximum in, Glass, Vaccum, Diamond, We can create enlarged,virtual images with, Concave mirror, Convex mirror, Plane mirror, The radius of curvature of a concave mirror whose focal length is 5cm is, 9cm, 6cm, 10cm, The reason for brilliance of diamonds is total internal reflection of light, True, False, A ray of light passes from one medium to another medium.refraction takes place when angle of incidence is, 90*, 45*, 0*, When large mirrors are used to concentrate sunlight to produce heat in solar furnaces, Concave , Convex, The angle of deviation depends on the retraction index the glass, True , False , When a beam of white light passes through a prism it gets , Only deviated, Reflected, Deviated and dispersed, If a ray of light passes obliquely from one medium to another,it does not suffer any deviation, True, False.

physics :light

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